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System and method for improving network performance

  • US 10,075,351 B2
  • Filed: 06/24/2013
  • Issued: 09/11/2018
  • Est. Priority Date: 08/22/2006
  • Status: Active Grant
First Claim
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1. A computer-implemented method for improving network performance comprising:

  • determining network performance information data indicative of network transmission characteristics of a first set of data packets that are communicated, using a first data link layer protocol, over at least one link of a network, the first set of data packets comprising a plurality of performance information packets (PIP packets) that include at least some of the network performance information, the network performance information in the PIP packets including an amount of real-time bandwidth usage and an amount of non-real-time bandwidth usage, wherein the amount of real-time bandwidth usage is associated with real-time content and the amount of non-real-time bandwidth usage is associated with non-real-time-content;

    communicating from a data link layer of a network device to at least one other layer of the network device, information regarding degradation in transmission performance associated with the at least one link in the network, wherein the at least one other layer comprises a Transport layer (layer

         4) of the network device;

    altering network traffic with the Transport layer by modifying a window size of a Transmission Control Protocol (TCP) sliding window;

    and performing a Multi-Protocol Label Switch (MPLS) Fast Re-Route, based on the network performance information in the PIP packets, to improve transmission of a second set of data packets over the network, which utilizes a second data link layer protocol.

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